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6 papers · 2 filters
Emergence of spacetime dynamics in entropy corrected and braneworld models
A. Sheykhi, M. H. Dehghani, S. E. Hosseini
A very interesting new proposal on the origin of the cosmic expansion was recently suggested by Padmanabhan [arXiv:1206.4916]. He argued that the difference between the surface deg…
Asymptotically Lifshitz black hole solutions in F(R) gravity
S. H. Hendi, B. Eslam Panah, C. Corda
We consider a class of spherically symmetric spacetime to obtain some interesting solutions in F(R) gravity without matter field (pure gravity). We investigate the geometry of the…
Effective state, Hawking radiation and quasi-normal modes for Kerr black holes
C. Corda, S. H. Hendi, R. Katebi +1
The non-strictly continuous character of the Hawking radiation spectrum generates a natural correspondence between Hawking radiation and black hole (BH) quasi-normal modes (QNM). I…
Friedmann equations from emergence of cosmic space
Ahmad Sheykhi
Padmanabhan [arXiv:1206.4916] argues that the cosmic acceleration can be understood from the perspective that spacetime dynamics is an emergence phenomena. By calculating the diffe…
Extremal Myers-Perry black holes coupled to Born-Infeld electrodynamics in odd dimensions
Masoud Allahverdizadeh, Seyed H. Hendi, José P. S. Lemos +1
Employing higher order perturbation theory, we find a new class of perturbative extremal rotating black hole solutions with Born-Infeld electric charge in odd D-dimensional spaceti…
Extremal Myers-Perry black holes coupled to Born-Infeld electrodynamics in five dimensions
Masoud Allahverdizadeh, Jose P. S. Lemos, Ahmad Sheykhi
We construct a new class of perturbative extremal charged rotating black hole solutions in five dimensions in the Einstein--Born-Infeld theory. We start with an extremal five-dimen…